diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-30 11:04:11 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-30 11:04:11 -0700 |
| commit | 88098fd61b7e52e1f78668b6f1f07d39ca67301f (patch) | |
| tree | 38ac25b31964230c899941e9cf4e095c11286372 /drivers/mmc/host/sdhci.c | |
| parent | 7ba4d8675090480e64388f4669271c03123072b2 (diff) | |
| parent | 011fde48394b7dc8dfd6660d1013b26a00157b80 (diff) | |
Merge tag 'mmc-v5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC host fixes from Ulf Hansson:
- sdhci: Fix performance regression with auto CMD auto select
- sdhci-of-esdhc: Fix initialization for eMMC HS400 mode
- sdhci-of-esdhc: Fix timeout bug for tuning commands
* tag 'mmc-v5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: sdhci-of-esdhc: make sure delay chain locked for HS400
mmc: sdhci-of-esdhc: set timeout to max before tuning
mmc: sdhci: Use Auto CMD Auto Select only when v4_mode is true
Diffstat (limited to 'drivers/mmc/host/sdhci.c')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 592a55a34b58..3561ae8a481a 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1384,9 +1384,11 @@ static inline void sdhci_auto_cmd_select(struct sdhci_host *host, /* * In case of Version 4.10 or later, use of 'Auto CMD Auto * Select' is recommended rather than use of 'Auto CMD12 - * Enable' or 'Auto CMD23 Enable'. + * Enable' or 'Auto CMD23 Enable'. We require Version 4 Mode + * here because some controllers (e.g sdhci-of-dwmshc) expect it. */ - if (host->version >= SDHCI_SPEC_410 && (use_cmd12 || use_cmd23)) { + if (host->version >= SDHCI_SPEC_410 && host->v4_mode && + (use_cmd12 || use_cmd23)) { *mode |= SDHCI_TRNS_AUTO_SEL; ctrl2 = sdhci_readw(host, SDHCI_HOST_CONTROL2); |